Feb 16, 2025 · I have experimented with multiple separate diagrams in the same file. I was hoping to do this to demonstrate the different themes. @startuml !theme amiga Alice -> Bob: Hello Bob -> Alice: Hi there! @enduml @startuml !theme aws-orange class Car { +String make +String model +int year } @enduml @startuml !theme black-knight c -> d: Hello d -> c: Hi there! @enduml …

Jun 18, 2025 · Impact: This bug makes it impossible to use standard features like activity stereotypes or data objects in activity diagrams with these PlantUML versions, severely limiting the ability to create visually accurate and semantically correct flowcharts. It also affects the parsing of more complex, but otherwise valid, activity diagrams.

Feb 25, 2025 · In many companies, especially those dealing with confidential data, security is a major ... property and confidential information remain protected.

@startuml test start if ( condition_1) then (true) if ( condition_2 ) then (true) ... flow chart isnt being displayed what I want to see.

Jun 12, 2025 · Hello everyone, I'm trying to add a short text box at the top of my PlantUML diagram to serve as a description or summary of the diagram's purpose. Ideally, this text should appear as a standalone block, without a visible border, and it shouldn’t interfere with the layout of participants or other elements.

Jan 20, 2025 · On my end, I haven't fixed the diagrams yet, as I prefer PlantUML to resolve the issue on their side so that all my existing diagrams continue to work as they did before without any changes.

Feb 12, 2014 · Strongly agree! PlantUML is very useful to visualize the classes interaction when you need to make changes in a large unknown code base with many classes. Following the curved lines in the class diagram is very difficult when there are many of them, especially as you don't have control on the classes positions. It will help a-lot if you will implement this feature.

Oct 23, 2015 · I'm working on some code with switch case structures on big enumerate type or if/elsif/ ... if/elseif/else structure vertically in activity diagrams.

Feb 10, 2020 · This may be the answer for the beginners basics but when it comes to more complex diagrams with rectangles/components/packages nested and even hackish layout optimizations like "box1 - [hidden]-> box2" plantuml will still render stuff more horizontal than vertical where a much more reasonable approach for UX is to rather grow vertically.

May 27, 2020 · I want to create a legend where I give the meaning of the arrows. As follows. However legend |=| ... arrows do not show. Just the same as the text.